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ch4aika [34]
2 years ago
6

A population of bears decreases exponentially.

Mathematics
1 answer:
timurjin [86]2 years ago
4 0

Answer:

  0.8

Step-by-step explanation:

The annual factor will be found by dividing any year's population by the population of the year before. The points most easily read from the graph are the populations for years 0 and 1. Then the annual factor is ...

  factor = (year 1 population)/(year 0 population) = 320/400

  factor = 0.8

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A pharmacist has an 18% alcohol solution and a 40% alcohol solution. How much of each should he mix together to make 10 liters o
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Lets call x the amount of 18% solution and y the amount of 40% solution, and write as equations the info of the problem:
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lets multiply the second equation by -18 and add to the first:
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-18x -<span> 18y = -180
</span>----------------------
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We are planning a reception for our daughter. The hall that we are renting charges a $90 cleanup fee. In addition to the cleanup
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